Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,021 institutional managers reported holding MSCI for the quarter ended Mar 31, 2026. Together they hold about 88% of shares outstanding; the top 10 hold 42%. 117 opened new positions; 149 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 9.42M | 12.84% | $5.08B | added +0.5% | ≤2013 |
| BlackRock | 5.74M | 7.82% | $3.10B | trimmed -2.7% | ≤2013 |
| State Street | 3.11M | 4.24% | $1.68B | trimmed -2.3% | ≤2013 |
| Bamco INC /NY/ | 2.70M | 3.68% | $1.46B | trimmed -2% | ≤2013 |
| Morgan Stanley | 2.24M | 3.06% | $1.21B | trimmed -9% | ≤2013 |
| Geode Capital | 2.00M | 2.72% | $1.08B | unchanged | ≤2013 |
| T. Rowe Price Investment Management, INC. | 1.51M | 2.05% | $812.6M | added +57.7% | 2023 Q3 |
| Edgewood Management | 1.40M | 1.91% | $755.9M | unchanged | 2023 Q3 |
| Principal Financial Group INC | 1.35M | 1.84% | $726.9M | trimmed -21.6% | ≤2013 |
| Fiera Capital CORP | 981.7k | 1.34% | $529.3M | added +2% | ≤2013 |
| PineStone Asset Management INC. (focused) | 976.8k | 1.33% | $526.6M | trimmed -2.4% | 2022 Q4 |
| Mitsubishi UFJ Asset Management CO., LTD. | 947.5k | 1.29% | $510.8M | trimmed -1.2% | 2016 Q1 |
| Polen Capital | 929.5k | 1.27% | $501.2M | trimmed -30.2% | 2023 Q3 |
| Baillie Gifford | 852.4k | 1.16% | $459.6M | added +0.7% | 2025 Q2 |
| Citadel Advisors | 755.0k | 1.03% | $407.1M | added +51.9% | 2020 Q2 |
| Northern Trust | 687.0k | 0.94% | $370.4M | trimmed -1.4% | ≤2013 |
| UBS | 684.3k | 0.93% | $368.9M | added +7.9% | ≤2013 |
| Invesco | 661.6k | 0.90% | $356.7M | added +30.9% | ≤2013 |
| AQR Capital | 653.0k | 0.89% | $352.1M | added +61.4% | ≤2013 |
| Arrowstreet Capital | 625.4k | 0.85% | $337.2M | trimmed -15.1% | 2016 Q2 |
| Millennium Management | 612.2k | 0.83% | $330.1M | added +26% | 2016 Q4 |
| Longview Partners (Guernsey) LTD (focused) | 587.3k | 0.80% | $316.6M | trimmed -18.9% | 2025 Q2 |
| Two Sigma | 581.8k | 0.79% | $313.7M | added +56.1% | 2020 Q3 |
| Charles Schwab Investment Management | 565.9k | 0.77% | $305.1M | added +1% | ≤2013 |
| Wellington Management | 555.4k | 0.76% | $299.4M | added +59.1% | 2013 Q4 |
| Generation Investment Management LLP (focused) | 502.2k | 0.68% | $270.7M | added +121% | 2025 Q4 |
| Legal & General Group PLC | 468.1k | 0.64% | $252.4M | trimmed -12% | ≤2013 |
| Goldman Sachs | 457.4k | 0.62% | $246.6M | trimmed -9.7% | ≤2013 |
| BNY Mellon | 436.7k | 0.59% | $235.4M | added +2.2% | ≤2013 |
| Temasek Holdings | 425.9k | 0.58% | $229.6M | added +25.1% | 2022 Q1 |
| Deutsche Bank AG\ | 406.3k | 0.55% | $219.1M | trimmed -10.1% | ≤2013 |
| Meritage Group LP (focused) | 406.1k | 0.55% | $218.9M | trimmed -13% | 2025 Q2 |
| Bessemer Group INC | 395.7k | 0.54% | $213.4M | added +1.8% | 2016 Q4 |
| Banque Pictet & CIE SA | 390.1k | 0.53% | $210.3M | trimmed -25.4% | 2025 Q3 |
| Royal Bank OF Canada | 388.5k | 0.53% | $209.4M | added +2.5% | ≤2013 |
| T. Rowe Price | 379.0k | 0.52% | $204.4M | added +5.3% | ≤2013 |
| Bank OF America CORP /DE/ | 369.6k | 0.50% | $199.3M | trimmed -10.3% | ≤2013 |
| Clearbridge Investments, LLC | 363.6k | 0.49% | $196.0M | added +9.8% | 2023 Q1 |
| Amundi | 345.1k | 0.47% | $186.1M | added +21% | 2017 Q4 |
| Nordea Investment Management AB | 341.6k | 0.47% | $184.2M | trimmed -29.6% | 2016 Q1 |
| FMR (Fidelity) | 311.1k | 0.42% | $167.7M | trimmed -35.9% | ≤2013 |
| American Century Companies INC | 310.7k | 0.42% | $167.5M | trimmed -24.2% | 2015 Q2 |
| Storebrand Asset Management AS | 304.8k | 0.41% | $164.3M | trimmed -9.2% | 2025 Q4 |
| Neuberger Berman Group LLC | 297.2k | 0.41% | $160.3M | trimmed -7.7% | ≤2013 |
| Robeco Institutional Asset Management B.v. | 293.8k | 0.40% | $158.4M | added +42.6% | 2016 Q1 |
| Dimensional Fund Advisors | 280.9k | 0.38% | $151.5M | added +2% | ≤2013 |
| Wells Fargo & COMPANY/MN | 279.7k | 0.38% | $150.8M | added +12% | ≤2013 |
| Magellan Asset Management | 279.2k | 0.38% | $150.5M | trimmed -12.1% | 2025 Q2 |
| Gobi Capital LLC (focused) | 256.6k | 0.35% | $138.4M | unchanged | 2025 Q1 |
| Nomura Asset Management International INC. | 255.5k | 0.35% | $137.8M | added +43.8% | 2023 Q4 |
Largest 50 of 1,021 shown; the full ranked, searchable register is at boothcheck.com/holders/MSCI. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.